RU2009131751A - SYSTEMS AND METHODS FOR REDUCING ENERGY CONSUMPTION IN THE DEVICE BY MEANS OF ADJUSTABLE DISPLAY CONTENT - Google Patents
SYSTEMS AND METHODS FOR REDUCING ENERGY CONSUMPTION IN THE DEVICE BY MEANS OF ADJUSTABLE DISPLAY CONTENT Download PDFInfo
- Publication number
- RU2009131751A RU2009131751A RU2009131751/28A RU2009131751A RU2009131751A RU 2009131751 A RU2009131751 A RU 2009131751A RU 2009131751/28 A RU2009131751/28 A RU 2009131751/28A RU 2009131751 A RU2009131751 A RU 2009131751A RU 2009131751 A RU2009131751 A RU 2009131751A
- Authority
- RU
- Russia
- Prior art keywords
- backlight
- value
- histogram
- pixels
- scale factor
- Prior art date
Links
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Abstract
1. Способ уменьшения потребления энергии в устройстве посредством приспосабливающегося к контенту дисплея, содержащий этапы, на которых: ! принимают кадр изображения; ! вычисляют значение задней подсветки; ! вычисляют масштабный коэффициент; ! применяют значение задней подсветки к задней подсветке; ! применяют масштабный коэффициент к матрице пикселей для получения масштабированной матрицы пикселей; и ! отображают масштабированную матрицу пикселей. ! 2. Способ по п.1, дополнительно содержащий этап, на котором вычисляют гистограмму кадра. ! 3. Способ по п.2, в котором гистограмма содержит количество пикселей, ассоциированное со значением на серой шкале. ! 4. Способ по п.2, дополнительно содержащий этап, на котором смещают гистограмму на серой шкале. ! 5. Способ по п.4, в котором величина смещения гистограммы является функцией значения задней подсветки. ! 6. Способ по п.1, дополнительно содержащий этап, на котором выбирают уровень искажения для кадра. ! 7. Способ по п.1, в котором значение задней подсветки содержит интенсивность яркости у источника света, излучаемого от задней подсветки. ! 8. Способ по п.1, в котором масштабный коэффициент является функцией значения задней подсветки. ! 9. Способ по п.1, в котором масштабный коэффициент выбирается из таблицы гаммы, которая содержит программируемую справочную таблицу (LUT). ! 10. Способ по п.1, в котором масштабированная матрица пикселей отображается на жидкокристаллическом дисплее (LCD). ! 11. Устройство для уменьшения потребления энергии посредством приспосабливающегося к контенту дисплея, содержащее: ! процессор; ! запоминающее устройство в электронной связи с процессором; ! ком 1. A method of reducing energy consumption in a device by means of a content-adaptive display, comprising the steps of:! take an image frame; ! calculating the backlight value; ! calculate the scale factor; ! apply the backlight value to the backlight; ! applying a scale factor to the pixel array to obtain a scaled pixel array; and ! display a scaled matrix of pixels. ! 2. The method of claim 1, further comprising the step of calculating a histogram of the frame. ! 3. The method of claim 2, wherein the histogram comprises a number of pixels associated with a gray scale value. ! 4. The method of claim 2, further comprising the step of shifting the histogram on a gray scale. ! 5. The method of claim 4, wherein the amount of histogram offset is a function of the backlight value. ! 6. The method of claim 1, further comprising the step of selecting a distortion level for the frame. ! 7. The method of claim 1, wherein the backlight value comprises a luminance intensity at the light source emitted from the backlight. ! 8. The method of claim 1, wherein the scale factor is a function of the backlight value. ! 9. The method of claim 1, wherein the scale factor is selected from a gamma table that includes a programmable look-up table (LUT). ! 10. The method of claim 1, wherein the scaled array of pixels is displayed on a liquid crystal display (LCD). ! 11. Device for reducing energy consumption by adapting to the content of the display, containing:! CPU; ! a storage device in electronic communication with the processor; ! lump
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/626,580 | 2007-01-24 | ||
US11/626,580 US20080174607A1 (en) | 2007-01-24 | 2007-01-24 | Systems and methods for reducing power consumption in a device through a content adaptive display |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2009131751A true RU2009131751A (en) | 2011-02-27 |
RU2451344C2 RU2451344C2 (en) | 2012-05-20 |
Family
ID=39595653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2009131751/28A RU2451344C2 (en) | 2007-01-24 | 2008-01-24 | Systems and methods for reducing power consumption in device through content adaptive display |
Country Status (10)
Country | Link |
---|---|
US (1) | US20080174607A1 (en) |
EP (1) | EP2115728A2 (en) |
JP (2) | JP2010517099A (en) |
KR (1) | KR101066053B1 (en) |
CN (1) | CN101589423B (en) |
BR (1) | BRPI0806754A2 (en) |
CA (1) | CA2674871C (en) |
RU (1) | RU2451344C2 (en) |
TW (1) | TWI404009B (en) |
WO (1) | WO2008092036A2 (en) |
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KR100844775B1 (en) * | 2007-02-23 | 2008-07-07 | 삼성에스디아이 주식회사 | Organic light emitting display device |
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KR102356761B1 (en) | 2009-02-06 | 2022-02-08 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Method for driving display device |
US20110249022A1 (en) * | 2010-04-08 | 2011-10-13 | Rajesh Poornachandran | Techniques for managing power use |
TWI451398B (en) * | 2011-12-12 | 2014-09-01 | Mstar Semiconductor Inc | Method and associated apparatus for power saving of display |
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US20130278834A1 (en) * | 2012-04-20 | 2013-10-24 | Samsung Electronics Co., Ltd. | Display power reduction using extended nal unit header information |
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KR102034550B1 (en) * | 2013-06-03 | 2019-11-08 | 삼성전자주식회사 | Power supply and controlling method thereof |
US10165218B2 (en) | 2013-07-24 | 2018-12-25 | Samsung Electronics Co., Ltd. | Display power reduction using histogram metadata |
US9520079B2 (en) * | 2014-03-26 | 2016-12-13 | Samsung Electronics Co., Ltd. | Storage and carriage of green metadata for display adaptation |
CN104599642B (en) * | 2014-12-31 | 2017-05-03 | 小米科技有限责任公司 | Backlight control method and backlight control device |
US20160093257A1 (en) * | 2015-05-08 | 2016-03-31 | Mediatek Inc. | Method And Device Of Brightness Adjustment For Display |
CN109584798B (en) * | 2019-02-01 | 2019-08-23 | 苹果公司 | The display of grid line load difference is compensated with brightness regulating circuit |
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2007
- 2007-01-24 US US11/626,580 patent/US20080174607A1/en not_active Abandoned
-
2008
- 2008-01-24 CA CA2674871A patent/CA2674871C/en not_active Expired - Fee Related
- 2008-01-24 KR KR1020097016410A patent/KR101066053B1/en not_active IP Right Cessation
- 2008-01-24 TW TW097102763A patent/TWI404009B/en not_active IP Right Cessation
- 2008-01-24 CN CN2008800029500A patent/CN101589423B/en not_active Expired - Fee Related
- 2008-01-24 BR BRPI0806754-6A patent/BRPI0806754A2/en not_active IP Right Cessation
- 2008-01-24 JP JP2009547426A patent/JP2010517099A/en not_active Ceased
- 2008-01-24 EP EP08713988A patent/EP2115728A2/en not_active Ceased
- 2008-01-24 RU RU2009131751/28A patent/RU2451344C2/en not_active IP Right Cessation
- 2008-01-24 WO PCT/US2008/051957 patent/WO2008092036A2/en active Application Filing
-
2012
- 2012-02-08 JP JP2012025068A patent/JP5415571B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101589423B (en) | 2012-06-27 |
CA2674871C (en) | 2013-12-10 |
WO2008092036A3 (en) | 2008-10-23 |
JP5415571B2 (en) | 2014-02-12 |
CA2674871A1 (en) | 2008-07-31 |
WO2008092036A2 (en) | 2008-07-31 |
JP2012137770A (en) | 2012-07-19 |
KR20090103930A (en) | 2009-10-01 |
KR101066053B1 (en) | 2011-09-20 |
TWI404009B (en) | 2013-08-01 |
US20080174607A1 (en) | 2008-07-24 |
JP2010517099A (en) | 2010-05-20 |
CN101589423A (en) | 2009-11-25 |
BRPI0806754A2 (en) | 2011-09-13 |
RU2451344C2 (en) | 2012-05-20 |
EP2115728A2 (en) | 2009-11-11 |
TW200841301A (en) | 2008-10-16 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20170125 |